Answer
(a) iodine-131 53 protons 78 neutrons 53 electrons
(b) cobalt-60 27 protons 33 neutrons 27 electrons
(c) potassium-43 19 protons 24 neutrons 19 electrons
(d) indium-113 49 protons 64 neutrons 49 electrons
Work Step by Step
No steps
